Remove some TSan deadlock suppressions.
Remove some TSan deadlock suppressions.

Looks like these are no longer actively triggering, so they can be removed.

BUG=webrtc:2999
R=kjellander@webrtc.org

Review URL: https://codereview.webrtc.org/1916923002 .

Cr-Original-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#12502}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: d486dc1bd7f1e0eff7118f14b22768067dcd9cef

jchavanton/webrtc,Alkalyne/webrtctrunk,Alkalyne/webrtctrunk,Alkalyne/webrtctrunk,Alkalyne/webrtctrunk,jchavanton/webrtc,jchavanton/webrtc,Alkalyne/webrtctrunk,jchavanton/webrtc,jchavanton/webrtc,Alkalyne/webrtctrunk,Alkalyne/webrtctrunk,Alkalyne/webrtctrunk,jchavanton/webrtc,jchavanton/webrtc